package com.example.function.integration.utils;

import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.StringUtils;
import org.apache.commons.lang3.time.DateFormatUtils;

import java.lang.management.ManagementFactory;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.time.*;
import java.time.format.DateTimeFormatter;
import java.time.format.DateTimeParseException;
import java.util.Date;


/**
 * @Description：日期工具类
 * @Author：fengcheng
 * @Date：2024/10/21 16:16
 */
@Slf4j
public class DateUtils extends org.apache.commons.lang3.time.DateUtils {
    public static String YYYY = "yyyy";

    public static String YYYY_MM = "yyyy-MM";

    public static String YYYY_MM_DD = "yyyy-MM-dd";

    public static String YYYY_MM_DD_1 = "yyyy/MM/dd";

    public static String YYYYMMDDHHMMSS = "yyyyMMddHHmmss";

    public static String YYYY_MM_DD_HH_MM_SS = "yyyy-MM-dd HH:mm:ss";

    private static String[] parsePatterns = {
            "yyyy-MM-dd", "yyyy-MM-dd HH:mm:ss", "yyyy-MM-dd HH:mm", "yyyy-MM",
            "yyyy/MM/dd", "yyyy/MM/dd HH:mm:ss", "yyyy/MM/dd HH:mm", "yyyy/MM",
            "yyyy.MM.dd", "yyyy.MM.dd HH:mm:ss", "yyyy.MM.dd HH:mm", "yyyy.MM"};

    /**
     * 获取当前Date型日期
     *
     * @return Date() 当前日期
     */
    public static Date getNowDate() {
        return new Date();
    }

    /**
     * 获取当前日期, 默认格式为yyyy-MM-dd
     *
     * @return String
     */
    public static String getDate() {
        return dateTimeNow(YYYY_MM_DD);
    }

    public static final String getTime() {
        return dateTimeNow(YYYY_MM_DD_HH_MM_SS);
    }

    public static final String dateTimeNow() {
        return dateTimeNow(YYYYMMDDHHMMSS);
    }

    public static final String dateTimeNow(final String format) {
        return parseDateToStr(format, new Date());
    }

    public static final String dateTime(final Date date) {
        return parseDateToStr(YYYY_MM_DD, date);
    }

    public static final String parseDateToStr(final String format, final Date date) {
        return new SimpleDateFormat(format).format(date);
    }

    public static final Date dateTime(final String format, final String ts) {
        try {
            return new SimpleDateFormat(format).parse(ts);
        } catch (ParseException e) {
            throw new RuntimeException(e);
        }
    }

    /**
     * 日期路径 即年/月/日 如2018/08/08
     */
    public static final String datePath() {
        Date now = new Date();
        return DateFormatUtils.format(now, "yyyy/MM/dd");
    }

    /**
     * 日期路径 即年/月/日 如20180808
     */
    public static final String dateTime() {
        Date now = new Date();
        return DateFormatUtils.format(now, "yyyyMMdd");
    }

    /**
     * 日期型字符串转化为日期 格式
     */
    public static Date parseDate(Object str) {
        if (str == null) {
            return null;
        }
        try {
            return parseDate(str.toString(), parsePatterns);
        } catch (ParseException e) {
            return null;
        }
    }

    /**
     * 获取服务器启动时间
     */
    public static Date getServerStartDate() {
        long time = ManagementFactory.getRuntimeMXBean().getStartTime();
        return new Date(time);
    }

    /**
     * 计算相差天数
     */
    public static int differentDaysByMillisecond(Date date1, Date date2) {
        return Math.abs((int) ((date2.getTime() - date1.getTime()) / (1000 * 3600 * 24)));
    }

    /**
     * 计算时间差
     *
     * @param endDate   最后时间
     * @param startTime 开始时间
     * @return 时间差（天/小时/分钟）
     */
    public static String timeDistance(Date endDate, Date startTime) {
        long nd = 1000 * 24 * 60 * 60;
        long nh = 1000 * 60 * 60;
        long nm = 1000 * 60;
        // long ns = 1000;
        // 获得两个时间的毫秒时间差异
        long diff = endDate.getTime() - startTime.getTime();
        // 计算差多少天
        long day = diff / nd;
        // 计算差多少小时
        long hour = diff % nd / nh;
        // 计算差多少分钟
        long min = diff % nd % nh / nm;
        // 计算差多少秒//输出结果
        // long sec = diff % nd % nh % nm / ns;
        return day + "天" + hour + "小时" + min + "分钟";
    }

    /**
     * 增加 LocalDateTime ==> Date
     */
    public static Date toDate(LocalDateTime temporalAccessor) {
        ZonedDateTime zdt = temporalAccessor.atZone(ZoneId.systemDefault());
        return Date.from(zdt.toInstant());
    }

    /**
     * 增加 LocalDate ==> Date
     */
    public static Date toDate(LocalDate temporalAccessor) {
        LocalDateTime localDateTime = LocalDateTime.of(temporalAccessor, LocalTime.of(0, 0, 0));
        ZonedDateTime zdt = localDateTime.atZone(ZoneId.systemDefault());
        return Date.from(zdt.toInstant());
    }

    public static void main(String[] args) {
        String dateString = "2022-12-12";
        System.out.println(verifyDate(dateString));
        System.out.println(getLongTime(dateString));
        String strDate = "4100688000000";
        System.out.println(longDateConvertStringDate(strDate));;
    }

    /**
     * @Description：long类型日期转为字符串类型日期
     * @Author：fengcheng
     * @Date：2024/10/22 17:08
     * @Param：strDate
     * @ParamsType：[java.lang.String]
     * @Return：java.lang.String
     */
    public static String longDateConvertStringDate(String strDate) {
        if (StringUtils.isBlank(strDate) || "0".equals(strDate)) return "长期";
        long timestamp = Long.parseLong(strDate);
        Date date = new Date(timestamp);
        SimpleDateFormat sdf = new SimpleDateFormat(YYYY_MM_DD_1);
        return sdf.format(date);
    }

    /**
     * @Description：根据日期字符串获取long类型日期
     * @Author：fengcheng
     * @Date：2024/10/21 17:07
     * @Param：format
     * @ParamsType：[java.lang.String]
     * @Return：long
     */
    public static String getLongTime(String format){
        if (StringUtils.isNotBlank(format)) {
            SimpleDateFormat dateFormat = null;
            if (format.contains("-")) {
                dateFormat = new SimpleDateFormat(YYYY_MM_DD);
            } else if (format.contains("/")) {
                dateFormat = new SimpleDateFormat(YYYY_MM_DD_1);
            }
            try {
                Date date = dateFormat.parse(format);
                long timestamp = date.getTime();
                return String.valueOf(timestamp);
            } catch (ParseException e) {
                log.error("获取Long类型日期字符串发生异常，异常信息：{}", e.getMessage(), e);
            }
        }
        return "";
    }

    /**
     * @Description：校验日期是否合规
     * @Author：fengcheng
     * @Date：2024/10/21 17:08
     * @Param：dateStr
     * @ParamsType：[java.lang.String]
     * @Return：boolean
     */
    public static boolean verifyDate(String dateStr) {
        // 等于0表示长期
        if ("0".equals(dateStr)) {
            return true;
        }
        if (StringUtils.isBlank(dateStr)) {
            return false;
        }
        try {
            if (dateStr.contains("-")) {
                LocalDate.parse(dateStr, DateTimeFormatter.ofPattern(YYYY_MM_DD));
                return true;
            } else if (dateStr.contains("/")) {
                LocalDate.parse(dateStr, DateTimeFormatter.ofPattern(YYYY_MM_DD_1));
                return true;
            }
        } catch (DateTimeParseException e) {
            return false;
        }
        return true;
    }
}
